Hi all,

One slightly dispassionate observer out here thinks that transonic is feasible for this one, but probably not supersonic.

mach 1 is 335 m/s measured at sea level at 59 deg. F. The speed goes down as as elevation, altitude, humidity and air temperatures increase. (Lower air density.) A nice hot humid day, launching from central Oregon, plus a few hundred meters of altitude and the speed of sound _might_ have been around that magic 308 m/s mark.
Richard Johnson

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